
Gaussian Decomposition of λ21 cm H i profiles, the Critical Ionization Velocity, and the Interstellar Helium Abundance
Author(s) -
Gerrit L. Verschuur,
J. T. Schmelz
Publication year - 2022
Publication title -
astrophysical journal/the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.3847/1538-4357/ac7c14
Subject(s) - physics , astrophysics , ionization , helium , interstellar medium , galactic halo , galaxy , ion , atomic physics , halo , quantum mechanics